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config: show all installed JDK

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Closes Homebrew/homebrew#43730.

Signed-off-by: Xu Cheng <xucheng@me.com>
This commit is contained in:
Xu Cheng 2015-09-04 16:33:37 +08:00
parent 657f4ca2ce
commit 63246fbc6c
1 changed files with 7 additions and 7 deletions
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14
Library/Homebrew/cmd/config.rb
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@ -1,5 +1,6 @@
require "hardware" require "hardware"
require "software_spec" require "software_spec"
require "rexml/document"
module Homebrew module Homebrew
def config def config
@ -118,14 +119,13 @@ module Homebrew
end end
def describe_java def describe_java
if which("java").nil? java_xml = Utils.popen_read("/usr/libexec/java_home", "--xml", "--failfast")
"N/A" return "N/A" unless $?.success?
elsif !quiet_system "/usr/libexec/java_home", "--failfast" javas = []
"N/A" REXML::XPath.each(REXML::Document.new(java_xml), "//key[text()='JVMVersion']/following-sibling::string") do |item|
else javas << item.text
java = `java -version 2>&1`.lines.first.chomp
java =~ /java version "(.+?)"/ ? $1 : java
end end
javas.uniq.join(", ")
end end
def dump_verbose_config(f = $stdout) def dump_verbose_config(f = $stdout)